Vega VEGABAR 44 HART Bedienungsanleitung PDF herunterladen (Seite 13)

VEGABAR 44 (HART

) 13

0 - 20 bar

8765

321

–+

0 - 20 bar

VEGABAR with indicating module

Function

ground

Ammeter for local control

Supply voltage

12 … 36 V DC

4 … 20 mA

If screened cable is used, the screening should be grounded in the terminal compartment and the ground

terminal on the outside of the housing must be grounded according to regulations. The terminals are

connected to each other in the housing.

3.2 Connection diagram

Note:

An ammeter for local control of the output current can be connected to terminals 1 and 3. This

measurement can be made during operation without interrupting current on the supply cable.

Electrical connection

Plug connec-

tion

Indicating module

VEGADIS 10 with indicating

module

Note the following instructions for electrical

connection:

- Connection must be made according to the

specific installation standards (e.g. in Ger-

many acc. to the VDE regulations).

- Terminal voltage must not exceed 36 V, to

avoid damage to the electronics.

- Electrical connection must have a pre-

ventative measure against inadvertent

polarity reversal.

- The wiring between VEGABAR and the

power supply can be carried out using

standard two-wire cable.

- Screened cable is recommended, if strong

electromagnetic interference is to be ex-

pected. The shielding must be grounded at

both sensor ends. Please note the installa-

tion regulations for mounting in Ex areas.

- If overvoltages are expected, we recom-

mend the installation of VEGA overvoltage

arresters.

- In the cable connection, a seal must be

used which fits the cable.

- For instrument version EExd (pressure-

tight encapsulation) screened cable must

be used for the instrument connection.

Note the installation regulations.

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